Fracture faces of frozen membranes.
D002462:Cell Membrane; D004721:Endoplasmic Reticulum; D056890:Eukaryota / Q000166:cytology; D005615:Freezing; D006652:Histological Techniques; D066298:In Vitro Techniques; D008854:Microscopy, Electron; D010945:Plants, Edible / Q000166:cytology; D012440:Saccharomyces / Q000166:cytology